Finding the Fourth Proportional to 208,776.99, 312,908.97 and 96,301.20
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Solution
The fourth proportional to 208,776.99, 312,908.97 and 96,301.20 is: 144,333.48
Step by Step Solution
- Step 1: Write the proportion equation
208,776.99 : 312,908.97 = 96,301.20 : x - Step 2: Convert to fraction form
208,776.99/312,908.97 = 96,301.20/x - Step 3: Cross multiply
208,776.99x = 312,908.97 × 96,301.20 - Step 4: Simplify right side
208,776.99x = 30,133,509,301.76 - Step 5: Solve for x
x = 30,133,509,301.76/208,776.99 - Step 6: Final answer
x = 144,333.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.